Search a number
-
+
53000325749 = 722833822047
BaseRepresentation
bin110001010111000100…
…001100101001110101
312001210200110111210202
4301113010030221311
51332021040410444
640203100530245
73554253223100
oct612704145165
9161720414722
1053000325749
1120528336208
12a331850985
134cc85395c7
1427cadbd737
1515a2ea034e
hexc5710ca75

53000325749 has 12 divisors (see below), whose sum is σ = 61871313024. Its totient is φ = 45268312824.

The previous prime is 53000325671. The next prime is 53000325787. The reversal of 53000325749 is 94752300035.

It is a de Polignac number, because none of the positive numbers 2k-53000325749 is a prime.

It is a super-2 number, since 2×530003257492 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53000325649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1897157 + ... + 1924890.

It is an arithmetic number, because the mean of its divisors is an integer number (5155942752).

Almost surely, 253000325749 is an apocalyptic number.

It is an amenable number.

53000325749 is a deficient number, since it is larger than the sum of its proper divisors (8870987275).

53000325749 is a wasteful number, since it uses less digits than its factorization.

53000325749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822344 (or 3822337 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 53000325749 in words is "fifty-three billion, three hundred twenty-five thousand, seven hundred forty-nine".

Divisors: 1 7 49 283 1981 13867 3822047 26754329 187280303 1081639301 7571475107 53000325749